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Counterweight system for an industrial machine

a technology of industrial machines and counterweights, applied in soil-shifting machines/dredgers, constructions, etc., can solve the problems of falling off and breaking of casting slabs

Active Publication Date: 2017-10-05
JOY GLOBAL SURFACE MINING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The modular design allows for quicker assembly, increased counterweight capacity, reduced maintenance, and enhanced operator safety by eliminating the risk of counterweight slab damage and enabling easier access to the operator's cab without interrupting machine operation.

Problems solved by technology

These casting slabs tend to break and fall off during the operation of the machine, such as when the machine swings to unload material into a loading vehicle and the counterweight box hits the loading vehicle.

Method used

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  • Counterweight system for an industrial machine
  • Counterweight system for an industrial machine
  • Counterweight system for an industrial machine

Examples

Experimental program
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Embodiment Construction

[0025]FIG. 1 illustrates a power shovel 10. Although the counterweight systems described herein are described in the context of the power shovel 10, the counterweight systems can be applied to, performed by, or used in conjunction with a variety of industrial machines (e.g., draglines, shovels, tractors, etc.).

[0026]The shovel 10 includes a mobile base 15, drive tracks 20, a turntable 25, a revolving frame 30 with a rear room 31, a common counterweight system 32 attached to a rear end of the revolving frame 30 below the rear room 31, a boom 35, a lower end 40 of the boom 35 (also called a boom foot), an upper end 42 of the boom 35 (also called a boom point), tension cables 50, a gantry tension member 55, a gantry compression member 60, a dipper 70 having a door 72 and teeth 73, a hoist rope 75, a winch drum (not shown), a dipper handle 85, a saddle block 90, a shipper shaft 95, and a transmission unit (also called a crowd drive, not shown). The rotational structure 25 allows rotatio...

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Abstract

A counterweight system for an industrial machine includes a body having a front end and a back end, the body defining a cavity, and a plurality of walls defining a plurality of discrete sections within the body, each discrete section having an aperture for inserting a counterweight into the cavity.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 13 / 803,523, filed Mar. 14, 2013, which claims priority to U.S. Provisional Application No. 61 / 677,919, filed Jul. 31, 2012, and to U.S. Provisional Application No. 61 / 619,830, filed Apr. 3, 2012, the entire contents of each of which are incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to counterweights, and more particularly, to an improved counterweight system for an industrial machine.BACKGROUND OF THE INVENTION[0003]In the mining field, and in other fields in which large volumes of material are collected and removed from a work site, it is typical to employ industrial machines that include large dippers for shoveling the material from the work site. Industrial machines, such as electric rope or power shovels, draglines, etc., are used to execute digging operations to remove the material from, for example, a bank of a mine. T...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E02F9/18
CPCE02F9/18
Inventor COLWELL, JOSEPHHUTSICK, JAMESSCHLEGEL, DANIELLARSON, CHRISTOPHER T.
Owner JOY GLOBAL SURFACE MINING INC